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<?php
namespace Engelsystem\Test\Unit\Middleware;
use Engelsystem\Container\Container;
use Engelsystem\Http\Response;
use Engelsystem\Middleware\CallableHandler;
use Engelsystem\Test\Unit\Middleware\Stub\HasStaticMethod;
use InvalidArgumentException;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;
use stdClass;
class CallableHandlerTest extends TestCase
{
public function provideCallable()
{
return [
[function () {
}],
[[$this, 'provideCallable']],
[[HasStaticMethod::class, 'foo']],
];
}
/**
* @dataProvider provideCallable
* @covers \Engelsystem\Middleware\CallableHandler::__construct
* @covers \Engelsystem\Middleware\CallableHandler::getCallable
* @param callable $callable
*/
public function testInit($callable)
{
$handler = new CallableHandler($callable);
$this->assertEquals($callable, $handler->getCallable());
}
/**
* @covers \Engelsystem\Middleware\CallableHandler::process
*/
public function testProcess()
{
/** @var ServerRequestInterface|MockObject $request */
/** @var ResponseInterface|MockObject $response */
/** @var callable|MockObject $callable */
/** @var RequestHandlerInterface|MockObject $handler */
list($request, $response, $callable, $handler) = $this->getMocks();
$callable->expects($this->once())
->method('__invoke')
->with($request, $handler)
->willReturn($response);
$middleware = new CallableHandler($callable);
$middleware->process($request, $handler);
}
/**
* @covers \Engelsystem\Middleware\CallableHandler::handle
*/
public function testHandler()
{
/** @var ServerRequestInterface|MockObject $request */
/** @var ResponseInterface|MockObject $response */
/** @var callable|MockObject $callable */
list($request, $response, $callable) = $this->getMocks();
$callable->expects($this->once())
->method('__invoke')
->with($request)
->willReturn($response);
$middleware = new CallableHandler($callable);
$middleware->handle($request);
}
/**
* @covers \Engelsystem\Middleware\CallableHandler::execute
*/
public function testExecute()
{
/** @var ServerRequestInterface|MockObject $request */
/** @var Response|MockObject $response */
/** @var callable|MockObject $callable */
list($request, $response, $callable) = $this->getMocks();
/** @var Container|MockObject $container */
$container = $this->createMock(Container::class);
$callable->expects($this->exactly(3))
->method('__invoke')
->with($request)
->willReturnOnConsecutiveCalls($response, 'Lorem ipsum?', 'I\'m not an exception!');
$container->expects($this->once())
->method('get')
->with('response')
->willReturn($response);
$response->expects($this->once())
->method('withContent')
->with('Lorem ipsum?')
->willReturn($response);
$middleware = new CallableHandler($callable, $container);
$return = $middleware->handle($request);
$this->assertInstanceOf(ResponseInterface::class, $return);
$this->assertEquals($response, $return);
$return = $middleware->handle($request);
$this->assertInstanceOf(ResponseInterface::class, $return);
$this->assertEquals($response, $return);
$middleware = new CallableHandler($callable);
$this->expectException(InvalidArgumentException::class);
$middleware->handle($request);
}
/**
* @return array
*/
protected function getMocks(): array
{
/** @var ServerRequestInterface|MockObject $request */
$request = $this->getMockForAbstractClass(ServerRequestInterface::class);
/** @var RequestHandlerInterface|MockObject $handler */
$handler = $this->getMockForAbstractClass(RequestHandlerInterface::class);
/** @var Response|MockObject $response */
$response = $this->createMock(Response::class);
/** @var callable|MockObject $callable */
$callable = $this->getMockBuilder(stdClass::class)
->setMethods(['__invoke'])
->getMock();
return [$request, $response, $callable, $handler];
}
}
|
